༼ つ ◕_◕ ༽つ (richivinsky)

Race #7549

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Official speed 125.29 wpm (27.11 seconds elapsed during race)
Race Start December 19, 2019 11:32:28pm UTC
Race Finish December 19, 2019 11:32:55pm UTC
Outcome Win (1 of 5)
Opponents 2. bb__ (102.15 wpm)
3. justnov (97.58 wpm)
Accuracy 98.0%
Points 93.97
Text #4060102 (Length: 283 characters)

Transformers and most electric motors operate on alternating current. In such devices the flux in the iron changes continuously both in value and direction. The magnetic domains are therefore oriented first in one direction, then the other, at a rate that depends upon the frequency.